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Other Constants
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OPENSSL_RAW_DATA
(int)
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If
OPENSSL_RAW_DATA is set in the
openssl_encrypt or openssl_decrypt,
the returned data is returned as-is.
When it is not specified, Base64 encoded data is returned to the caller.
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OPENSSL_DONT_ZERO_PAD_KEY
(int)
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Prevents openssl_encrypt from padding keys that
are shorter than the default key length.
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OPENSSL_ZERO_PADDING
(int)
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By default encryption operations are padded using standard block
padding and the padding is checked and removed when decrypting.
If
OPENSSL_ZERO_PADDING is set in the
openssl_encrypt or openssl_decrypt
options then no padding is performed, the total
amount of data encrypted or decrypted must then be a multiple of the
block size or an error will occur.
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OPENSSL_ENCODING_SMIME
(int)
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Indicates that encoding is S/MIME.
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OPENSSL_ENCODING_DER
(int)
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Indicates that encoding is DER.
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OPENSSL_ENCODING_PEM
(int)
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Indicates that encoding is PEM.
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